TY - JA AU - L T van Beuningen AU - R H Busch TI - Genetic diversity among North American spring wheat cultivars: I. Analysis of the coefficient of parentage matrix; II. Ancestor contributions to gene pools of different eras and regions SN - 1435-0653 PY - 1997/// Notes AGRIS 1998-001845 and 1998-001846 N1 - Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0011-183X T2 - Crop Science ER -